草莓对缺钾胁迫的代谢和电反应

Q2 Engineering

Engineering in Agriculture, Environment and Food Pub Date : 2023-01-01 DOI:10.37221/eaef.16.2_53

Kiko KURODA, Teppei IMAIZUMI, Masaharu YASUDA, Takeshi NIIKAWA, Kohei NAKANO, Nakako KATSUNO, Takahisa NISHIZU

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引用次数: 0

摘要

研究了不同钾浓度对草莓果实代谢组学和电响应的影响。测定了1月、3月和4月果实的钾浓度。4月份观察到品质差异，钾含量较低导致白锐度值和酸度较低。通过阻抗分析确定的胞内抗性和细胞膜容量分别与酸度和糖含量相关。此外，气相色谱-串联质谱(GC-MS / MS)代谢组学分析表明，在质量差异出现之前，已经检测到腐胺等应激标记物。阻抗分析可用于评价草莓的组织状况，代谢组学分析可用于预测草莓的品质变化。

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Metabolic and electrical responses to potassium deficiency stress in strawberries

The effects of potassium concentration on the metabolomic and electrical responses of strawberry fruits were investigated. The potassium concentration of fruit harvested in January, March, and April were determined. Quality differences were observed in April, with lower potassium levels resulting in lower Brix values and acidity. Intracellular resistance and cell membrane capacity, as determined by impedance analysis, were correlated with acidity and sugar content, respectively. In addition, metabolomic analysis by gas chromatography-tandem mass spectrometry (GC-MS / MS) indicated that stress markers, such as putrescine, were detected before quality differences appeared. While impedance analysis is useful for evaluating the tissue condition of strawberries, metabolomic analysis can be used to predict quality changes.

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来源期刊

Engineering in Agriculture, Environment and Food Engineering-Industrial and Manufacturing Engineering

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： Engineering in Agriculture, Environment and Food (EAEF) is devoted to the advancement and dissemination of scientific and technical knowledge concerning agricultural machinery, tillage, terramechanics, precision farming, agricultural instrumentation, sensors, bio-robotics, systems automation, processing of agricultural products and foods, quality evaluation and food safety, waste treatment and management, environmental control, energy utilization agricultural systems engineering, bio-informatics, computer simulation, computational mechanics, farm work systems and mechanized cropping. It is an international English E-journal published and distributed by the Asian Agricultural and Biological Engineering Association (AABEA). Authors should submit the manuscript file written by MS Word through a web site. The manuscript must be approved by the author''s organization prior to submission if required. Contact the societies which you belong to, if you have any question on manuscript submission or on the Journal EAEF.